/* TinyDose — shared styles */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--gray-50);
  color: var(--gray-800);
  direction: rtl;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Dev banner ── */
.dev-banner {
  background: #FEF3C7;
  border-bottom: 3px solid #F59E0B;
  color: var(--gray-900);
  text-align: center;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 10px 16px;
}

/* ── Layout ── */
.app-header {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--gray-900);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.7rem;
  color: var(--gray-500);
  font-weight: 400;
}

main { flex: 1; padding: 16px; max-width: 640px; margin: 0 auto; width: 100%; }

footer {
  background: #fff;
  border-top: 1px solid var(--gray-200);
  padding: 16px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-400);
  line-height: 1.6;
}

footer a { color: var(--gray-500); text-decoration: none; }
footer a:hover { color: var(--primary); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--gray-100); color: var(--gray-700); border: 1px solid var(--gray-200); }
.btn-secondary:hover { background: var(--gray-200); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-ghost:hover { background: var(--primary-light); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-lg { padding: 14px 24px; font-size: 1rem; }
.btn-full { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 12px;
}

/* ── Form elements ── */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--gray-600); margin-bottom: 6px; }

input[type=text], input[type=number], input[type=email], input[type=password], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--gray-800);
  background: #fff;
  transition: border-color .15s;
  outline: none;
  direction: rtl;
}

input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input[type=number] { direction: ltr; text-align: right; }

.input-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-row input { flex: 1; }
.input-row .unit {
  font-size: 0.85rem;
  color: var(--gray-500);
  white-space: nowrap;
  font-weight: 600;
}

/* ── Search ── */
.search-wrap { position: relative; }
.search-wrap input { padding-right: 40px; }
.search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}

.search-results {
  position: absolute;
  top: calc(100% + 4px);
  right: 0; left: 0;
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-height: 280px;
  overflow-y: auto;
}

.search-result-item {
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--gray-100);
  transition: background .1s;
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover, .search-result-item.active { background: var(--primary-light); }
.search-result-item .drug { font-weight: 600; font-size: 0.95rem; }
.search-result-item .indication { font-size: 0.8rem; color: var(--gray-500); margin-top: 2px; }

.search-group-header {
  padding: 5px 14px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
  pointer-events: none;
  user-select: none;
}

/* ── Shortcut grid ── */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.shortcut-btn {
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 14px 12px;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
  box-shadow: var(--shadow);
}

.shortcut-btn:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.shortcut-btn .drug-name { font-weight: 700; font-size: 1rem; color: var(--gray-800); }
.shortcut-btn .indication { font-size: 0.78rem; color: var(--gray-500); margin-top: 3px; }

/* ── Mode toggle ── */
.mode-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 4px;
  gap: 4px;
  margin-bottom: 20px;
}

.mode-tab {
  flex: 1;
  padding: 9px;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all .15s;
}

.mode-tab.active { background: #fff; color: var(--primary); box-shadow: var(--shadow); }

/* ── Calculation result card ── */
.result-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 16px;
}

.result-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 20px;
}

.result-drug { font-size: 1.1rem; font-weight: 700; }
.result-indication { font-size: 0.82rem; opacity: .85; margin-top: 3px; }

.result-body { padding: 20px; }

.calc-step {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9rem;
  gap: 8px;
}

.calc-step:last-of-type { border-bottom: none; }
.calc-step .label { color: var(--gray-500); flex: 0 0 auto; direction: ltr; }
.calc-step .value { font-weight: 600; color: var(--gray-800); text-align: left; direction: ltr; }

.result-summary {
  background: var(--success-light);
  border: 1.5px solid #bbf7d0;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 16px 0 0;
  text-align: center;
}

.result-summary .summary-line {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-800);
  line-height: 1.5;
}

.result-summary .summary-line .highlight {
  color: var(--primary);
  font-size: 1.25rem;
}

.warning-box {
  background: var(--warning-light);
  border: 1.5px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--warning);
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.warning-box .warn-icon { flex-shrink: 0; font-size: 1rem; }

.notes-box {
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.result-actions {
  display: flex;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--gray-100);
  background: var(--gray-50);
}

/* ── Drug selector ── */
.drug-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.drug-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
  background: #fff;
}

.drug-option:hover { border-color: var(--primary); background: var(--primary-light); }
.drug-option.selected { border-color: var(--primary); background: var(--primary-light); }
.drug-option input[type=radio] { flex-shrink: 0; accent-color: var(--primary); width: 16px; height: 16px; }
.drug-option .drug-option-label { font-weight: 600; font-size: 0.95rem; }
.drug-option .drug-option-detail { font-size: 0.78rem; color: var(--gray-500); margin-top: 2px; }

/* ── Step indicator ── */
.steps {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.step-item {
  flex: 1;
  text-align: center;
  padding: 8px 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-400);
  border-radius: 6px;
  transition: all .15s;
}

.step-item.active { background: #fff; color: var(--primary); box-shadow: var(--shadow); }
.step-item.done { color: var(--success); }

/* ── Admin table ── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th {
  background: var(--gray-50);
  padding: 10px 12px;
  text-align: right;
  font-weight: 600;
  color: var(--gray-600);
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.admin-table tr:hover td { background: var(--gray-50); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-blue { background: var(--primary-light); color: var(--primary); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 500;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
}

@media (min-width: 600px) {
  .modal-overlay { align-items: center; padding: 20px; }
}

.modal {
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
}

@media (min-width: 600px) {
  .modal { border-radius: var(--radius); }
}

.modal-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; }

.hidden { display: none !important; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gray-800);
  color: #fff;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
  z-index: 1000;
  opacity: 0;
  transition: opacity .2s;
  pointer-events: none;
  white-space: nowrap;
}

.toast.show { opacity: 1; }

/* ── Login ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--gray-50);
}

.login-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
}

.login-card h1 { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.login-card .sub { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 24px; }

/* ── Disclaimer ── */
.disclaimer {
  background: var(--warning-light);
  border: 1px solid #fde68a;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.78rem;
  color: var(--warning);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ── Loading spinner ── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-wrap { text-align: center; padding: 40px 20px; color: var(--gray-400); }

/* ── Responsive ── */
@media (min-width: 480px) {
  .shortcuts-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ── Admin layout ── */
.admin-layout { max-width: 960px; }
.table-wrap { overflow-x: auto; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid .full { grid-column: 1 / -1; }

@media (max-width: 480px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: 1; }
}

/* toggle switch */
.toggle-wrap { display: flex; align-items: center; gap: 10px; }
.toggle { position: relative; width: 44px; height: 24px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--gray-300);
  border-radius: 100px;
  cursor: pointer;
  transition: background .2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
.toggle input:checked + .toggle-slider { background: var(--primary); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); }